, or the democrats are talking an energy tax, like a gasoline tax, kim is right. if they're going to do this, through the regulatory angle and outlaw in that way. >> paul: but then, james, why mention it so prominently, or was this sort after bait and switch for the environmentalists and mention it and in policy terms don't. >> there may be some bait and switch, but this is key. if he doesn't need to get anything through the congress, like the potomac swatch-- >> kim strassel. >> so well. they think that they have a court decision a few years empowers them to regulate carbon. they think they're off to the races here and this suggests to me that maybe the play is, with all of the business community expecting an approval of the keystone pipeline, the president might approve the pipeline, but then really ratchet down on the use of the oil going through that pipeline and i think he might be able to say to environmentalists. >> paul: how would they do that, they won't build this thing if they don't think there's a lot of oil that go through it. >> certainly the people